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Last-modified: 2012-11-24 (ÅÚ) 22:11:21 (4169d)
[http://www.ncbi.nlm.nih.gov/pubmed/20479949 http://www.ncbi.nlm.nih.gov/pubmed/20479949]
[http://www.ncbi.nlm.nih.gov/pubmed/20479949 http://www.ncbi.nlm.nih.gov/pubmed/20479949]